22. Balance each equation. Identify each as to type. a. Pb(NO3)2 + K Cr, - PbCro, + KNO,
b. Cl2 + KI - KCI + I
c. C3H6 + 02 -> CO2 + H2O
d. Al(OH)3 - ALO3 + H2O
e. Li + 02 - Lio
f. HCI + Fe 03 - FeCl3 + H2O
g. MgCO3 MgO + CO2
h. Ba(CN)2 +HSO, BaSO, + HCN

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

The element that has the greatest electronegativity is